Product specifications

Page 44 AD-4329A Weighing Indicator
12. RS-232C Interface
12.1.1. Specification
Transmission Asynchronous, bi-directional, half-duplex
Baud rate 600, 1200, 2400, 4800, 9600 bps
Data bits 7 bits
Parity bits 1 bit, Even
Start bit 1 bit
Stop bit 1 bit
Code ASCII
Terminator CR LF (CR: 0Dh, LF: 0Ah)
Connector D-sub 9 pin connector
Circuit and Pin Connection
Pin No. Signal name Direction Description
2 TXD Output Transmission data
3 RXD Input Received data
5 SG - Signal ground
7 RTS
8 CTS
-
7 pin and 8 pin are connected
internally.
1,4,6,9 Not used (No connection)
Shell Shield
Bit Format
12. RS-232C Interface
D-sub 9 pin connecto
r
(male)
SG
Inside of AD-4329
A
RXD
TXD
Case